|
Table B-1. 6-sided Spar, Polygon Exterior
|
|
Ratio A
or
I.D./O.D.
|
Ratio (M)
or
(O.D./L)
|
Ratio (K)
or
(H/L)
|
Weight Saving at same size
|
Strengh Loss at same size
|
Outside Waste
|
Size Increase for same strength
|
Weight Saving at same strength
|
Arbitrary Score
|
|
|
|
|
(%)
|
(%)
|
(%)
|
(%)
|
(%)
|
|
| 1.00 |
1.792 |
0.120 |
72.43 |
56.25 |
0.89 |
22.96 |
58.32 |
35.37 |
| 0.99 |
1.796 |
0.128 |
70.79 |
54.03 |
0.95 |
21.45 |
56.91 |
35.47 |
| 0.98 |
1.800 |
0.136 |
69.16 |
51.88 |
1.01 |
20.07 |
55.54 |
35.47 |
| 0.97 |
1.804 |
0.144 |
67.55 |
49.80 |
1.07 |
18.80 |
54.20 |
35.39 |
| 0.96 |
1.808 |
0.152 |
65.95 |
47.78 |
1.14 |
17.63 |
52.88 |
35.25 |
| 0.95 |
1.812 |
0.161 |
64.37 |
45.82 |
1.20 |
16.56 |
51.60 |
35.04 |
| 0.94 |
1.816 |
0.169 |
62.81 |
43.92 |
1.27 |
15.56 |
50.34 |
34.78 |
| 0.93 |
1.821 |
0.177 |
61.26 |
42.08 |
1.33 |
14.63 |
49.10 |
34.47 |
| 0.92 |
1.825 |
0.185 |
59.73 |
40.30 |
1.39 |
13.76 |
47.88 |
34.12 |
| 0.91 |
1.829 |
0.194 |
58.22 |
38.57 |
1.46 |
12.96 |
46.69 |
33.73 |
| 0.90 |
1.833 |
0.202 |
56.72 |
36.91 |
1.53 |
12.20 |
45.51 |
33.31 |
| 0.89 |
1.837 |
0.211 |
55.24 |
35.29 |
1.59 |
11.50 |
44.36 |
32.86 |
| 0.88 |
1.842 |
0.219 |
53.78 |
33.73 |
1.66 |
10.83 |
43.22 |
32.38 |
| 0.87 |
1.846 |
0.228 |
52.33 |
32.23 |
1.73 |
10.21 |
42.09 |
31.88 |
| 0.86 |
1.850 |
0.236 |
50.90 |
30.77 |
1.80 |
9.63 |
40.99 |
31.36 |
| 0.85 |
1.854 |
0.245 |
49.48 |
29.36 |
1.86 |
9.08 |
39.90 |
30.82 |
| 0.84 |
1.859 |
0.253 |
48.09 |
28.01 |
1.93 |
8.56 |
38.82 |
30.26 |
| 0.83 |
1.863 |
0.262 |
46.71 |
26.70 |
2.00 |
8.07 |
37.75 |
29.68 |
| 0.82 |
1.867 |
0.271 |
45.34 |
25.43 |
2.07 |
7.61 |
36.70 |
29.09 |
| 0.81 |
1.872 |
0.279 |
43.99 |
24.21 |
2.15 |
7.18 |
35.67 |
28.49 |
| 0.80 |
1.876 |
0.288 |
42.66 |
23.04 |
2.22 |
6.77 |
34.64 |
27.87 |
| 0.79 |
1.881 |
0.297 |
41.35 |
21.91 |
2.29 |
6.38 |
33.63 |
27.25 |
| 0.78 |
1.885 |
0.306 |
40.05 |
20.82 |
2.36 |
6.01 |
32.63 |
26.62 |
| 0.77 |
1.889 |
0.315 |
38.77 |
19.77 |
2.44 |
5.66 |
31.64 |
25.97 |
| 0.76 |
1.894 |
0.324 |
37.50 |
18.77 |
2.51 |
5.33 |
30.66 |
25.32 |
| 0.75 |
1.898 |
0.333 |
36.25 |
17.80 |
2.59 |
5.02 |
29.69 |
24.67 |
| 0.74 |
1.903 |
0.342 |
35.02 |
16.87 |
2.66 |
4.73 |
28.73 |
24.01 |
| 0.73 |
1.907 |
0.351 |
33.80 |
15.97 |
2.74 |
4.45 |
27.79 |
23.34 |
| 0.72 |
1.912 |
0.360 |
32.61 |
15.12 |
2.82 |
4.18 |
26.85 |
22.67 |
| 0.71 |
1.917 |
0.369 |
31.42 |
14.29 |
2.89 |
3.93 |
25.92 |
21.99 |
| 0.70 |
1.921 |
0.378 |
30.26 |
13.51 |
2.97 |
3.69 |
25.01 |
21.32 |
| 0.69 |
1.926 |
0.388 |
29.11 |
12.75 |
3.05 |
3.47 |
24.10 |
20.64 |
| 0.68 |
1.930 |
0.397 |
27.97 |
12.03 |
3.13 |
3.26 |
23.21 |
19.95 |
| 0.67 |
1.935 |
0.406 |
26.86 |
11.34 |
3.21 |
3.05 |
22.32 |
19.27 |
| 0.66 |
1.940 |
0.416 |
25.76 |
10.67 |
3.30 |
2.86 |
21.45 |
18.59 |
| 0.65 |
1.945 |
0.425 |
24.67 |
10.04 |
3.38 |
2.68 |
20.58 |
17.90 |
| 0.64 |
1.949 |
0.434 |
23.61 |
9.44 |
3.46 |
2.51 |
19.73 |
17.22 |
| 0.63 |
1.954 |
0.444 |
22.56 |
8.86 |
3.54 |
2.35 |
18.88 |
16.53 |
| 0.62 |
1.959 |
0.454 |
21.52 |
8.31 |
3.63 |
2.19 |
18.04 |
15.85 |
| 0.61 |
1.964 |
0.463 |
20.51 |
7.79 |
3.71 |
2.05 |
17.22 |
15.17 |
| 0.60 |
1.968 |
0.473 |
19.51 |
7.29 |
3.80 |
1.91 |
16.40 |
14.49 |
| 0.59 |
1.973 |
0.483 |
18.52 |
6.82 |
3.89 |
1.78 |
15.59 |
13.81 |
| 0.58 |
1.978 |
0.492 |
17.55 |
6.37 |
3.98 |
1.66 |
14.80 |
13.14 |
| 0.57 |
1.983 |
0.502 |
16.60 |
5.94 |
4.07 |
1.54 |
14.01 |
12.47 |
| 0.56 |
1.988 |
0.512 |
15.67 |
5.53 |
4.16 |
1.43 |
13.23 |
11.80 |
| 0.55 |
1.993 |
0.522 |
14.75 |
5.15 |
4.25 |
1.33 |
12.47 |
11.14 |
| 0.54 |
1.998 |
0.532 |
13.85 |
4.78 |
4.34 |
1.23 |
11.71 |
10.48 |
| 0.53 |
2.003 |
0.542 |
12.96 |
4.44 |
4.43 |
1.14 |
10.97 |
9.82 |
| 0.52 |
2.008 |
0.552 |
12.10 |
4.11 |
4.52 |
1.06 |
10.23 |
9.18 |
| 0.51 |
2.013 |
0.562 |
11.24 |
3.81 |
4.62 |
0.97 |
9.51 |
8.53 |
| 0.50 |
2.018 |
0.572 |
10.41 |
3.52 |
4.71 |
0.90 |
8.79 |
7.89 |
| 0.49 |
2.023 |
0.582 |
9.59 |
3.24 |
4.81 |
0.83 |
8.09 |
7.26 |
| 0.48 |
2.028 |
0.593 |
8.79 |
2.99 |
4.91 |
0.76 |
7.40 |
6.63 |
| 0.47 |
2.034 |
0.603 |
8.00 |
2.74 |
5.00 |
0.70 |
6.71 |
6.02 |
| 0.46 |
2.039 |
0.613 |
7.23 |
2.52 |
5.10 |
0.64 |
6.04 |
5.40 |
| 0.45 |
2.044 |
0.624 |
6.48 |
2.31 |
5.20 |
0.59 |
5.38 |
4.80 |
| 0.44 |
2.049 |
0.634 |
5.74 |
2.11 |
5.30 |
0.53 |
4.74 |
4.20 |
| 0.43 |
2.054 |
0.645 |
5.03 |
1.92 |
5.41 |
0.49 |
4.10 |
3.61 |
| 0.42 |
2.060 |
0.655 |
4.32 |
1.75 |
5.51 |
0.44 |
3.47 |
3.03 |
| 0.41 |
2.065 |
0.666 |
3.64 |
1.59 |
5.62 |
0.40 |
2.86 |
2.46 |
| 0.40 |
2.070 |
0.677 |
2.97 |
1.44 |
5.72 |
0.36 |
2.26 |
1.90 |
| 0.39 |
2.076 |
0.687 |
2.31 |
1.30 |
5.83 |
0.33 |
1.67 |
1.34 |
| 0.38 |
2.081 |
0.698 |
1.68 |
1.17 |
5.94 |
0.30 |
1.09 |
0.80 |
| 0.37 |
2.087 |
0.709 |
1.06 |
1.05 |
6.04 |
0.27 |
0.53 |
0.26 |
| 0.36 |
2.092 |
0.720 |
0.45 |
0.94 |
6.15 |
0.24 |
-0.02 |
-0.26 |
| 0.35 |
2.097 |
0.731 |
-0.14 |
0.84 |
6.27 |
0.21 |
-0.56 |
-0.77 |
| 0.34 |
2.103 |
0.742 |
-0.71 |
0.75 |
6.38 |
0.19 |
-1.09 |
-1.28 |
| 0.33 |
2.109 |
0.753 |
-1.26 |
0.67 |
6.49 |
0.17 |
-1.60 |
-1.77 |
| 0.32 |
2.114 |
0.764 |
-1.80 |
0.59 |
6.61 |
0.15 |
-2.10 |
-2.25 |
| 0.31 |
2.120 |
0.775 |
-2.32 |
0.52 |
6.72 |
0.13 |
-2.59 |
-2.72 |
| 0.30 |
2.125 |
0.787 |
-2.82 |
0.46 |
6.84 |
0.11 |
-3.06 |
-3.17 |
| 0.29 |
2.131 |
0.798 |
-3.31 |
0.40 |
6.96 |
0.10 |
-3.52 |
-3.62 |
| 0.28 |
2.137 |
0.809 |
-3.78 |
0.35 |
7.08 |
0.09 |
-3.96 |
-4.05 |
| 0.27 |
2.142 |
0.821 |
-4.24 |
0.30 |
7.20 |
0.07 |
-4.39 |
-4.47 |
| 0.26 |
2.148 |
0.832 |
-4.68 |
0.26 |
7.33 |
0.06 |
-4.81 |
-4.87 |
| 0.25 |
2.154 |
0.844 |
-5.10 |
0.22 |
7.45 |
0.06 |
-5.21 |
-5.27 |
| 0.24 |
2.160 |
0.855 |
-5.50 |
0.19 |
7.58 |
0.05 |
-5.60 |
-5.65 |
| 0.23 |
2.166 |
0.867 |
-5.89 |
0.16 |
7.70 |
0.04 |
-5.97 |
-6.01 |
| 0.22 |
2.171 |
0.879 |
-6.26 |
0.13 |
7.83 |
0.03 |
-6.33 |
-6.37 |
| 0.21 |
2.177 |
0.891 |
-6.62 |
0.11 |
7.96 |
0.03 |
-6.68 |
-6.70 |
| 0.20 |
2.183 |
0.903 |
-6.96 |
0.09 |
8.10 |
0.02 |
-7.01 |
-7.03 |
|